To Love Ru is a Japanese manga series written by Saki Hasemi and illustrated by Kentaro Yabuki, creator of Black Cat. The manga was serialized in Shueisha's Weekly Shōnen Jump magazine from April 2006 to August 2009, and the chapters collected into 18 tankōbon volumes. The title, Toraburu, is the English gairaigo (loan word) "trouble", and "rabu" is the English loan word "love"; the title is a pun on the words "love" and "trouble", which describes the harem aspect of the series.